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With the continuous improvement of living standards, people are paying more and more attention to food safety. Whether the plastic bags used to package food meet food-grade standards has become a common concern for many people. What are the general characteristics of food-grade plastic bags?

Food-grade plastic bags are generally divided into ordinary food packaging bags, vacuum food packaging bags, inflatable food packaging bags, boiled food packaging bags, retort food packaging bags and functional food packaging bags. The materials are also diverse, and common food grade plastic bag materials include: PE (polyethylene), aluminum foil, nylon and composite materials, etc. In order to ensure that food is fresh and free from rot, food-grade plastic bags have some common characteristics regardless of category and material. First, they are required to completely block organic solvents, grease, gases, water vapor, etc.; second, they have excellent permeability resistance, It is moisture-proof, cold-resistant, heat-resistant, light-proof and insulating, and has a beautiful appearance; third, it is easy to form and has low processing cost; fourth, it has good strength, and the strength performance per unit weight of the plastic packaging bag is high, impact resistant and easy to modify.

In addition to the above characteristics, for consumers of edible products, food-grade plastic bags also have some characteristics that come from hard requirements. First of all, the main materials and auxiliary materials used generally contain few chemicals harmful to the human body, or according to the special needs in the actual production process, the content of chemical substances is within the allowable standard range of the country, and the chemical stability is strong; food-grade plastic bags sometimes also have corresponding added anti-corrosion, anti-rust and anti-electromagnetic radiation functions, ensuring food safety and hygiene from all angles.

So for consumers, how to identify food-grade plastic bags? You can start from the following aspects: first observe the appearance when you get the packaging bag. The food-grade plastic bag material has no odor, uniform texture, bright color, high gloss and transparency; then you can touch it with your hands to see how the food-grade plastic bag feels, good, not sticky, smooth, no obvious graininess. If these requirements are met, it is a safe and hygienic food-grade plastic bag.

Linyi Guoshengli Packaging, as a food packaging bag supplier, strictly abides by production regulations and specifications, abides by the food-grade plastic bag production process, and has also passed ISO9001, BRC and other certifications. Our products are exported to many countries in Europe, America, Asia, etc., and have been widely recognized and praised by customers. Friends from all over the world are welcome to contact us for ordering, email at sales@guoshengpacking.com